body,html{
    width: 100%;
    height: 100%;
}
body{
    background-color: #f4f4f4;
}
#header{
    display: flex;
    justify-content: space-between;
    height: 60px;
    padding: 0 10px;
    background-color: white;
    margin-bottom: 10px;
    padding-top: 16px;
    box-sizing: border-box;
}
#header > div{
    flex: 1;
}
#header > span{
    margin-right: 3%;
    font-size: 20px;
    display: inline-block;
    color: #666;
}
#header #btn{
    height: 28px;
    width: 50px;
    font-size: 14px;
    background-color: red;
    color: white;
    border: 0;
    border-radius: 5px;
    display: inline-block;
}
#header > div > input{
    width: 260px;
    height: 26px;
    border-radius: 15px;
    border: 1px solid #ccc;
    outline: none;
    text-indent: 2em;
    background-color: #f4f4f4;
}
#header > div {
    position: relative;
}
#header > div > span{
    position: absolute;
    left: 8px;
    top: 6px;
    color: #ccc;
}



#main{
    width: 100%;
    background-color: white;
}
#main .top{
    display: flex;
    justify-content: space-between;
    height: 80px;
    line-height: 80px;
    padding: 0 10px;  
}
#main .top p{
    color: #666;
}
#main .top #delbtn{
    color: rgb(184, 184, 184);
} 
#main > ul{
    width: 100%;
    background-color: white;
    padding: 10px;
    box-sizing: border-box;
}
#main > ul>li{
    height: 40px;
    color: rgb(155, 155, 155);
    width: 100%;
}